30k up in smoke. Enjoy the carnage!

9/9/2009 8:51:45 PM

Bah, some JB Weld and you're back in business.

9/9/2009 9:06:13 PM

Good call, Chief

9/9/2009 10:08:03 PM

I do what I can

9/9/2009 10:15:53 PM

u rebuilt that white chevy truck of urs with the big block and something didn't go quite right?

9/9/2009 11:05:53 PM

nope. First picture is the best clue and my shit always works sometimes.

Paging zxappeal

[Edited on September 9, 2009 at 11:13 PM. Reason : ']

9/9/2009 11:09:13 PM

Aircraft?

9/9/2009 11:29:14 PM

Winner!

Lycoming O360.

9/9/2009 11:31:02 PM

What was it in? Being a -360, it could be damn near anything.

9/9/2009 11:38:07 PM

cool. did it go up in smoke while up in the air?

what is the service life on those bad boys?

i think a guy with a single prop at my work rebuilds his very often

9/9/2009 11:39:00 PM

Those engines are beasty durable (at least from what I hear). My old boss has one and he has never rebuilt it. He only flies every so often though.

Quote :

" i think a guy with a single prop at my work rebuilds his very often"

This would probably be a factor of safety issue. He might feel safer knowing the wear and tear on the internals by inspection every time he rebuilds...unless he flies the shit out of it.

9/9/2009 11:46:31 PM

aircraft engines generally have a rated TBO (time before overhaul). 2000 hours is common for a run-of-the-mill, piston aircraft engine. As long as you're just flying privately, there is no requirement that says you HAVE to abide by this number, but most people don't push it too much (if at all).

9/9/2009 11:51:03 PM

RV-4 It was still running when we pulled it down. Service life is 1800-2000 hrs if I recall. Motor had 320 hrs on it. Some idiot slapped 4 new jugs on it 180 hrs ago and didnt bother to tolerance the pin buttons. Scary thing is the motor ran pretty good. The owner noticed that one cylinder was low on compression as he was pulling it through so we did a compression test on it and it was blowing back through the crankcase. Cut the filter and found 2 fistfulls of metal. I doubt anything other than the case is salvageable.

9/9/2009 11:55:44 PM

^^

Quote :

"but most people don't push it too much (if at all)."

Hell I wouldn't either! I don't like the fact of gliding to the runway
I heard about the 2000hrs as well before I think. definitly wouldn't wait that long for sure.

[Edited on September 9, 2009 at 11:56 PM. Reason : ^]

9/9/2009 11:56:22 PM

TOO

MUCH

NAWZ

9/9/2009 11:57:56 PM

Quote :

"i think a guy with a single prop at my work rebuilds his very often "

Probablly a Rotax. i think the lifespan is around 400 hrs for most of then.

9/10/2009 12:01:44 AM

^ like old school sea doo engines...rebuild life was like 100-200 hours...IF you were a lucky one. HA

9/10/2009 12:05:27 AM

^^ yeah, some Rotax engines are 2-stroke, for ultralights and some small, simple, homebuilt aircraft. I don't know what the TBO is on their 4-stroke stuff, but it has to be a lot longer than 400 hours.

2000 is the common # for Lycomings, Continentals, etc. Some are 1800, some are 2200, many are 2000.

Quote :

"RV-4 It was still running when we pulled it down. Service life is 1800-2000 hrs if I recall. Motor had 320 hrs on it. Some idiot slapped 4 new jugs on it 180 hrs ago and didnt bother to tolerance the pin buttons. Scary thing is the motor ran pretty good. The owner noticed that one cylinder was low on compression as he was pulling it through so we did a compression test on it and it was blowing back through the crankcase. Cut the filter and found 2 fistfulls of metal. I doubt anything other than the case is salvageable"

RVs are a blast. I've flown a -4 and a -6.

...and that sucks big time. A full overhaul is RIDICULOUSLY expensive, and that's when you can re-use a lot of stuff. I'd probably look into just buying a mid-time engine.

9/10/2009 12:12:40 AM

TBO depends on a lot of factors...you won't get 1800 out of an IO-720 in a Comanche or the rear engine in a Skymaster...mostly because of shitty cooling.

9/10/2009 2:02:01 AM

here's one i found..






[Edited on September 10, 2009 at 10:06 AM. Reason : img]

9/10/2009 10:05:48 AM

Kinda looks like what came out of my D16A1 1st gen Teg engine after I hydrolocked it.

The rod ventilated the block on both sides and took out the main bearing cap girdle.

9/10/2009 11:09:45 AM

Quote :

"ventilated the block"

Super PCV

9/10/2009 11:17:05 AM

When my fam used to drag race we dabbled with alcohol injection for awhile because it was supposedly more impervious to temperature and humidity changes as far as consistency was concerned (we were bracket racers, 8.90 1/4 class at the time). Inevitably, in the quest for more speed, my uncle decided to add some nitromethane to the tank and a broken wrist pin allowed the rod to punch holes in both sides of the block so that you could look through it to the other side.

9/10/2009 11:54:56 AM

Nice

9/10/2009 11:58:45 AM

you could see through the block the piston [i posted a pic of above] came out of.

we told the guy to not turn up the boost until he upgraded the rods. 3 days later his car was waiting outside the shop in the morning.

ripped out the wrist pin, broke the rod, and put 2 holes in the block (one each side) and one in the oil pan.

[Edited on September 10, 2009 at 4:13 PM. Reason : ..]

9/10/2009 4:12:57 PM

Quote :

"A full overhaul is RIDICULOUSLY expensive, and that's when you can re-use a lot of stuff"

17k is what an authorized Lycoming dealer quoted providing that the crank is reusable. I seriously doubt it is. Even if it can be turned I would not be confident that there is a 100% process for removing all of the debris. This may end up LS-1 powered. Several people have done this with good results. Too early to tell. He is in the process of tracking down the engine builder to see if they will help him out, doubtfull after 5 years of service. I flew in this thing a few motor hours before we found the problem. Sucks not being able to pull over and get out if the engine had failed. More pics later.

9/10/2009 7:18:55 PM

there used to be a company that did LS1 swaps into RV-6 airframes. They're now out of business, but they built a totally badass RV-6 that got featured in a magazine. The speeds and especially climb rates were absolutely unholy (for an RV-6, at least). Oh, and it retained the Chevy air conditioning.

9/10/2009 7:29:45 PM

Yeah something like 6k FPM. Very bad ass indeed

9/10/2009 7:35:22 PM

i guess Ragged has moved up from scooters to light planes, looks like his work

10/15/2009 3:29:41 PM